—Why,Jack,you look so tired!—Well,I ________ the house and I must finish the work tomorrow.
Measures must be taken to prevent pollution ____ happily.
. Lucy found one of her friends had been ____ after she finished the invitations to her wedding party.
As a famous public figure, you have a duty to ____ yourself responsibly, especially in public places.
All the photographs in this book, ____ stated otherwise, date from the 1950s.
Despite being taken from very different sources, the results are remarkably ____.